1. Communicable disease statistics in Estonia. Part 7. Tallinn: Health Protection Inspectorate; 2000. p. 32–3.
2. First oral vaccination of wildlife against rabies in Estonia;Niin,2006
3. Efficacy of oral vaccination in the final stage of fox rabies elimination in Switzerland;Bugnon;J Vet Med B: Infect Dis Vet Public Health,2004
4. Rabies in France, the Netherlands, Belgium, Luxembourg and Switzerland;Aubert,2004
5. WHO Expert consultation on rabies, 1st report. Technical report series (931). Geneva: World Health Organisation; 2005.